Life Yesterday. The Geological Column. How Rocks Are Made

Life Yesterday. The Geological Column. How Rocks Are Made Home ϘSearch Help us ? Help < Prev + More > Next X Close
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We know how rocks are formed because we can see it happening today.

Sediments forming		Igneous rock formation		Metamorphic rock formation

Sediments are formed in lakes and seas.
It is not like things settling after a flood.
New material is being added all the time.

Fossils are found in sedimentary rock.

Igneous rock comes from melted rock, called magma.
It comes up from very deep below ground.

Metamorphic rock is rock that has been 'morphed', or changed.
It is sedimentary rock or igneous rock
that has been changed by heat and pressure.